Year	constant 2021 international $
1990	10130.752514159034
1991	10125.063956312672
1992	10327.762893146664
1993	10671.495307627776
1994	11074.22336412679
1995	11431.843831873979
1996	11455.879605553435
1997	11639.345923079036
1998	11504.381895744687
1999	10837.761020188025
2000	10975.517917617464
2001	10985.229478714391
2002	11088.78649811561
2003	11353.858177810225
2004	11789.775729700375
2005	12191.441085895784
2006	12842.43032374869
2007	13538.855750755236
2008	13821.038317781195
2009	13821.268062055256
2010	14280.650317760734
2011	15106.743063221234
2012	15535.45566683152
2013	16172.13995018009
2014	16740.421424608925
2015	17073.659014590943
2016	17244.78364208987
2017	17216.855046760207
2018	17326.77427000683
2019	17554.61310037455
2020	16055.379734655278
2021	17587.23179328882
2022	18739.118112349184
2023	18777.405400216303